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Scorpion4ik [409]
3 years ago
13

Neha swims in a 90 m long pool. She covers 180 m in

Physics
1 answer:
mario62 [17]3 years ago
3 0

Answer:

speed in m/s is 3m/s

Explanation:

as she swims 90m in 30 seconds

dividing  90 by 30 will give 3m/s

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La cantidad de materia en un objeto.
Scrat [10]

La respuesta correcta es Masa

Explicación:

Todos los objetos existentes en el universo se componen de materia cuya unidad básica es conocida como átomo. A su vez el átomo se compone de subpartículas que incluyen protones, neutrones y electrones. Además de esto, la cantidad de materia o átomos en un objeto o cuerpo, por ejemplo la cantidad de materia en un balón se conoce como masa. Este factor se mide en unidades como gramos o kilos, por ejemplo, la cantidad de masa en una manzana es de aproximadamente de 150 gr. Finalmente, la masa se diferencia del peso porque en el peso la fuerza gravitacional y no solamente la materia se debe considerar.

7 0
3 years ago
You are holding a shopping basket at the grocery store with two 0.60 kg cartons of cereal at one end of the basket. The basket i
ludmilkaskok [199]

Answer:

The gallon of milk is placed at a distance of 0.641 meters.

Explanation:

We have,

Mass of two 0.6 kg cartons of cereal is 1.2 kg

Length of the basket, l = 0.77 m

Center of the basket is 0.385 m

Mass of the half gallon of milk is 1.8 kg

Total weight in the basket is 1.2 + 1.8 = 3 kg

We need to find the position of the gallon of milk so that the center of mass (COM) of your groceries is at the center of the basket.        

So,

(3 × 0.385) = (1.2 × 0) + (1.8 × x)

1.155 = 1.8 x

x = 0.641 meters

So, the gallon of milk is placed at a distance of 0.641 meters.

5 0
4 years ago
What is an amorphous solid?
Airida [17]
an amorphous solid is a solid that lacks the long-range order
7 0
3 years ago
4. What's metamorphism?
aliina [53]

Answer: Your answer is <u>D. The process by which new minerals form from existing minerals as a result of elevated temperature or pressure</u>

Hope this helps!

3 0
2 years ago
Read 2 more answers
Please explain it’s in the photo
Leto [7]

Answer:

Since air resistance actually stops vehicles and goes in a vector opposite to the direction of the vehicle and slows it down. Vehicles would want to make vehicles aerodynamic. Many cars bump into air molecules therefore making air resistance. Aerodynamic cars will lesser the allowance of bumping into said molecules. Thats why cars like to cut down on air resistance

4 0
3 years ago
Read 2 more answers
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